Indlela yokudizayina yesihlungi se-EMI sokunikezwa kwamandla
Izihlungi ze-EMI ziyadingeka ukuze kuvikelwe okokusebenza kukagesi ekuphazamisekeni kwe-electromagnetic (EMI).Ukwakhiwa kwesihlungi nokukhetha kuncike emithethweni ye-EMI, amakhodi kagesi, nezinye izidingo zokuklama.Ezimweni eziningi, izihlungi ezijwayelekile ezingekho eshalofini zizokwanela kuhlelo lokusebenza, kodwa ezimweni eziningi, isisombululo sokuhlunga se-EMI siyadingeka ukuze kuhlangatshezwane namapharamitha aqondene nohlelo lokusebenza.
Kungani Ungase Udinge Idizayini YangokwezifisoIsihlungi se-EMIIsixazululo
Imiphumela yokuphazamiseka kwe-electromagnetic ihlukahluka kakhulu.Kwezinye izimo, i-EMI imane nje iwukucasula okudala ukuphazamiseka.Kodwa-ke, ekusetshenzisweni okubucayi njengezokwelapha nezempi, izinkinga ezinjalo zingabulala.
Kunezindlela ezimbili eziyinhloko zokusabalalisa i-EMI - conduction kanye nemisebe.I-EMI eyenziwayo isakaza ngamakhebuli afana nezintambo zikagesi, izintambo, nemigqa yesignali.Iziphazamiso ezibangelwa yimisebe zihamba emoyeni zisuka emithonjeni efana nempahla kagesi, izinjini, izinsiza zikagesi, omakhalekhukhwini kanye nemishini yokudlulisa umsakazo.
I-EMI yenzeka lapho amasignali omsindo wemvamisa ephezulu akhiqizwa amaswishi kagesi noma kagesi ephazamisa ukusebenza kwezinto zikagesi.Kumadivayisi akhiqiza umsindo njengezipikha, lokhu kungakhiqiza i-static noma ukuqhekeka.Eminye imikhiqizo ye-elekthronikhi ingase ibe neziphazamiso, ukungasebenzi kahle noma amaphutha.
Yize imisebe ye-electromagnetic ingaphazamisa ukusebenza kwamasekhethi e-elekthronikhi, iphinde ibangele ukuthi imishini yehluleke ukuthobela imithetho ye-EMI.Uma idivayisi inenkinga yokuphazamiseka kwefrikhwensi yomsakazo noma yehluleka ukuhlola i-EMI, isihlungi siyadingeka ukuze sinciphise ukuphazamiseka futhi silethe idivayisi ekuthobeleni.
Ukuhambisana kwe-electromagnetic (I-EMC) onjiniyela bazama ukunciphisa iziphazamiso kanye nokwehluleka okubangelwa ukuphazamiseka okuqhutshwayo kanye nokukhishwa kwemisebe.
Ezimweni eziningi, ukuvimbela ukuphazamiseka kuwumsebenzi okufanele ubonwe.Isibonelo, uma umkhiqizo uthengiswa e-European Union, kufanele uthobelane ne-EMC Directive 89/336/EEC, edinga ukuthi okokusebenza kwehliswe ekukhiqizweni futhi kuvikelwe ekuphazamisekeni kwangaphandle.E-US, kukhona ezentengiso (Izingxenye ze-FCC 15 kanye ne-18) kanye namazinga ezempi adinga ukuthotshelwa kwe-EMI okufanayo.
Ezimweni eziningi, nakuba i-US, EU, kanye nemithetho yamazwe ngamazwe ye-EMC ingasebenzi, okokusebenza kusengadinga izihlungi ze-EMI ukuze zivikelwe ezindaweni ezinomsindo.Indlela yokukhetha isihlungi se-EMI incike ekucatshangelweni kokuklama okuningana njengamanje, i-voltage, imvamisa, isikhala, ukuxhuma kanye nokulahlekelwa kokufaka okubaluleke kakhulu okudingekile.
Ezinhlelweni eziningi, imikhiqizo ejwayelekile ingahlangabezana nezidingo zokuklama, kodwa uma imikhiqizo ejwayelekile ingakwazi ukuhlangabezana nokucatshangelwa komklamo odingekayo, idizayini yangokwezifiso iyadingeka.
Ngokuvamile, imvamisa ephansi yomsindo ibonakala njengokuphazamiseka okwenziwayo (ukuphazamiseka), futhi isihlungi somsindo sincike kakhulu ekuphenduleni kwekhoyili eklinywayo ukunikeza ukucindezelwa komsindo.Ekupheleni okuphezulu kwemvamisa yomsindo, amandla omsindo oqhutshwayo amuncwa ukumelana okulinganayo kwekhoyili yokuklinywa futhi adlule amandla asabalalisiwe.Ngalesi sikhathi, ukuphazamiseka kwemisebe kuba uhlobo oluyinhloko lokuphazamiseka.
Ukuphazamiseka kwemisebe kubangela ukugeleza komsindo ezingxenyeni eziseduze kanye nokuhola, okungabangela ukuzikhukhumeza kwesifunda ezimweni ezinzima, okugqama kakhulu esimweni somhlangano wengxenye yesifunda esincane nesiphezulu.Amadivaysi amaningi e-anti-EMI afakwa kumasekhethi njengezihlungi ezidlula kancane ukuze acindezele noma amunce ukuphazamiseka komsindo.Isihlungi esinqunyiwe se-fcn singaklanywa noma sikhethwe ngokuya ngefrikhwensi yomsindo okufanele icindezelwe.
Siyazi ukuthi isihlungi somsindo sishuthekwa kwisekhethi njengesiphazamisi somsindo, futhi umsebenzi waso ukungafani kakhulu nomsindo ongaphezu kwemvamisa yesignali.Kusetshenziswa umqondo wokungafani komsindo, indima yesihlungi ingaqondwa kanje: ngesihlungi somsindo, umsindo unganciphisa izinga lokuphuma komsindo ngenxa yokuhlukaniswa kwe-voltage (ukunciphisa), noma ukumunca amandla omsindo ngenxa yokubonisa okuningi, noma ukucekela phansi. i-parasitic ngenxa yezinguquko zesigaba sesiteshi.izimo ze-oscillation, ngaleyo ndlela kuthuthukiswe umkhawulo womsindo wesekethe.
Kufanele futhi sinake lezi zinkinga ezilandelayo lapho siklama futhi sisebenzisa amadivayisi alwa ne-EMI:
1. Okokuqala, kufanele siqonde imvelo ka-electromagnetic futhi sikhethe ububanzi befrikhwensi obufanele;
2. Ukwahlulela ukuthi ingabe ikhona i-DC noma i-AC eqinile kusekethe lapho isihlungi somsindo sikhona, ukuvimbela umgogodla wedivayisi ukuthi ungagcwali futhi wehluleke;
3. Qonda ngokugcwele ubukhulu kanye nemvelo ye-impedance ngaphambi nangemuva kokufakwa kusekethe ukuze kuzuzwe ukungafani komsindo.I-impedance yekhoyili yokuminyanisa ngokuvamile i-30-500Ω, efaneleka kakhulu ukusetshenziswa ngaphansi kokuvinjelwa komthombo ophansi kanye nokuvinjelwa komthwalo;
4. Naka futhi i-inductive crosstalk phakathi kwe-capacitance esabalalisiwe kanye nezingxenye eziseduze nezintambo;
5. Ngaphezu kwalokho, qaphela ukulawula izinga lokushisa lomshini, ngokuvamile elingadluli ku-60°C.
Okungenhla indlela yokuklama yesihlungi se-EMI samandla i-DOREXS abelane ngayo nawe namuhla, ngithemba ukuthi kuzoba usizo kuwe!
I-DOREXSUmholi wemboni ye-EMI
Uma udinga ukuvikelwa kwe-EMI okusebenzayo, i-DOREXS inikeza izihlungi ze-EMI ezihlala isikhathi eside nezithembekile kulo lonke uhlelo lokusebenza.Izihlungi zethu zifanele izicelo zochwepheshe emkhakheni wezempi nezokwelapha, kanye nokusetshenziswa kwezindawo zokuhlala nezimboni.Ngezinhlelo zokusebenza ezidinga isixazululo sangokwezifiso, ithimba lethu lochwepheshe lingaklama isihlungi se-EMI ukuze sihlangabezane nezidingo zakho ezithile.
Njengoba inesipiliyoni seminyaka engu-15 ekuxazululeni ukuphazamiseka kuka-electromagnetic, i-DOREXS ingumkhiqizi othembekile wezihlungi ze-EMI zekhwalithi ephezulu zezokwelapha, ezempi, nezohwebo.Zonke izihlungi zethu ze-EMI zenzelwe ukuhlangabezana namazinga omkhakha futhi zithobelane nemithetho ye-EMC.Hlola ukukhethwa kwethu kwezihlungi ze-EMI noma uhambise isicelo sekhwothi ngokwezifiso ukuze uthole isihlungi se-EMI esiphelele sezidingo zakho.Ukuze uthole ulwazi olwengeziwe mayelana nezihlungi ze-DOREXS ngokwezifiso nezijwayelekile ze-EMI, sicela usithinte.
Email: eric@dorexs.com
Ucingo: 19915694506
Whatsapp: +86 19915694506
Iwebhusayithi: scdorexs.com
Isikhathi sokuthumela: Feb-07-2023
